SN74F74NSRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74F74NSRG4 is a dual positive-edge-triggered D flip-flop IC from Texas Instruments in the fast F/FAST TTL logic family, supporting clock frequencies up to 100 MHz with independent set and clear inputs per element. It is housed in a 14-pin SOP tape-and-reel package and meets RoHS lead-free requirements. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SN74F74NSRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual independent D flip-flops with separate CLK, D, SET, and CLR pins per element for maximum design flexibility in sequential logic circuits
- Fast F/FAST family technology supports clock frequencies up to 100 MHz, enabling high-speed digital state machine and counter designs
- Positive-edge triggering with asynchronous active-low set and clear overrides allows synchronous data capture and immediate state control
- High output sink current of 20 mA (IOL) provides strong drive capability for bus lines and multiple logic inputs
- 14-pin SOP (Small Outline Package) tape-and-reel format supports automated PCB assembly in high-volume production
Applications
The SN74F74NSRG4 is used as a building block in digital sequential circuits including registers, counters, state machines, and clock domain crossing synchronizers where positive-edge data latching at up to 100 MHz is required. It appears in high-speed data buffering, address latching, and control signal pipelines in processor boards, FPGAs, DSPs, and memory interface circuits. The dual flip-flop configuration also suits divide-by-two frequency dividers and simple two-stage pipeline registers in timing-critical digital designs.
Specifications
| YTEOL | 0 |
| Family | F/FAST |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | D FLIP-FLOP |
| Max Frequency@Nom-Sup | 100000000Hz |
| Max I(ol) | 0.02A |
| Number of Bits | 1 |
| Number of Functions | 2 |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 16mA |
| Prop. Delay@Nom-Sup | 9.2ns |
| Propagation Delay (tpd) | 9.2ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 100MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74F74NSRG4:
suggested
D Flip-Flop, F/FAST Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, TTL, PDSO14
Frequently Asked Questions
What is the maximum clock frequency of the SN74F74NSRG4?
The SN74F74NSRG4 supports clock frequencies up to 100 MHz at nominal supply voltage, making it one of the faster TTL-family flip-flops available. This speed comes from Texas Instruments' F/FAST logic process, which uses Schottky-clamped bipolar transistors to reduce propagation delay compared to standard LS-TTL devices.
Does the SN74F74NSRG4 have asynchronous set and clear inputs?
Yes, each of the two flip-flops in the SN74F74NSRG4 has independent asynchronous active-low set (PRE) and clear (CLR) inputs. These inputs override the clock and data inputs, allowing the output to be forced to a known state immediately without waiting for a clock edge. This is essential for initializing registers and resetting state machines at power-up.
What package does the SN74F74NSRG4 use?
The SN74F74NSRG4 is packaged in a 14-pin SOP (Small Outline Package) in tape-and-reel format, as indicated by the 'NSR' suffix and 'G4' green-packaging designation. The tape-and-reel packaging is compatible with standard automated pick-and-place assembly equipment used in high-volume PCB manufacturing.
What supply voltage does the SN74F74NSRG4 require?
The SN74F74NSRG4 operates from a standard 5 V TTL supply, consistent with all F/FAST family logic devices. It is not compatible with 3.3 V CMOS logic levels directly; an LVC or HCT-family flip-flop should be used for 3.3 V systems. TTL-compatible logic thresholds apply to both inputs and outputs.
What is the output drive strength of the SN74F74NSRG4?
The SN74F74NSRG4 provides a maximum low-level output sink current (IOL) of 20 mA, which is significantly higher than standard LS-TTL devices (typically 8 mA). This strong drive capability allows each output to directly drive multiple TTL inputs or bus lines without buffering, reducing component count in heavily loaded signal paths.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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